FaSTTUBe/GST-Tensordecoder-ov_ep
35
0
Fork 0
Code Issues Pull Requests 1 Actions Packages Projects Releases Wiki Activity

matroskamux: Add support for chroma siting

Browse Source 
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5534>
This commit is contained in:
Doug Nazar 2019-08-07 18:01:53 -04:00
parent 123a7a515f
commit 3578b23ba2
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
subprojects/gst-plugins-good/gst/matroska/matroska-mux.c
View File

@ -1157,6 +1157,9 @@ gst_matroska_mux_video_pad_setcaps (GstMatroskaMux * mux,
videocontext->display_width = 0;
videocontext->display_height = 0;
}
if ((s = gst_structure_get_string (structure, "chroma-site"))) {
videocontext->chroma_site = gst_video_chroma_site_from_string (s);
}
if ((s = gst_structure_get_string (structure, "colorimetry"))) {
if (!gst_video_colorimetry_from_string (&videocontext->colorimetry, s)) {
@ -2687,6 +2690,9 @@ gst_matroska_mux_write_colour (GstMatroskaMux * mux,
guint range_id = 0;
guint transfer_id = 0;
guint primaries_id = 0;
/* 0 = unknown, 1 = yes, 2 = no */
guint chroma_site_horz = 0;
guint chroma_site_vert = 0;
master = gst_ebml_write_master_start (ebml, GST_MATROSKA_ID_VIDEOCOLOUR);
@ -2707,6 +2713,15 @@ gst_matroska_mux_write_colour (GstMatroskaMux * mux,
primaries_id =
gst_video_color_primaries_to_iso (videocontext->colorimetry.primaries);
if (videocontext->chroma_site != GST_VIDEO_CHROMA_SITE_UNKNOWN) {
chroma_site_horz = 2;
chroma_site_vert = 2;
if (videocontext->chroma_site & GST_VIDEO_CHROMA_SITE_H_COSITED)
chroma_site_horz = 1;
if (videocontext->chroma_site & GST_VIDEO_CHROMA_SITE_V_COSITED)
chroma_site_vert = 1;
}
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEORANGE, range_id);
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOMATRIXCOEFFICIENTS,
matrix_id);
@ -2720,6 +2735,12 @@ gst_matroska_mux_write_colour (GstMatroskaMux * mux,
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_MAXFALL,
videocontext->content_light_level.max_frame_average_light_level);
}
if (chroma_site_horz != 0 && chroma_site_vert != 0) {
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOCHROMASITINGHORZ,
chroma_site_horz);
gst_ebml_write_uint (ebml, GST_MATROSKA_ID_VIDEOCHROMASITINGVERT,
chroma_site_vert);
}
gst_matroska_mux_write_mastering_metadata (mux, videocontext);
gst_ebml_write_master_finish (ebml, master);